A CDE Definition
(1) The lower end of a computer's memory starting at 0. See conventional memory.
(2) A small amount of memory (RAM) in a computer-based device. For example, 64MB in a smartphone is considered low memory.
In a PC, the first 640K of memory. The next 384K is called the "upper memory area" (UMA). The term may also refer to the entire first megabyte (1,024K) of RAM, which is the memory that DOS could directly manage without the use of additional memory managers. See DOS memory manager.
Before/After Your Search Term
Terms By Topic
Click any of the following categories for a list of fundamental terms.